A.I. Ulitenko - Dr. Sc. (Eng.), Professor, Industrial Electronics Department, FSFEI HVE «Ryazan state radioengineering university». E-mail: aleksandrulitenko@yandex.ru A.N. Strelkov - Ph.D. (Med.), Urologist, Head of Operational Department, SFO RR «Ryazan regional clinical hospital». Е-mail: anstrel11@yandex.ru